#include <stdio.h>


int sum_elements(float a[], unsigned length) {
    int i;
    float result = 0;
    for (i = 0; i <= length - 1; i++) {
        result += a[i];
    }
    return result;
}

int main() {
    int i = 0;
    unsigned len = 0U;
    printf("%u\n", len - 1);
    return 0;
}
